Transactions of the American Fisheries Society 33, — A popular game fish with anglers, the bluegill is a good tasting fish which is relatively easy to catch. Marine Biotechnology 6, — Sneakers are adult males disguised as immature males. Telling the male and the female of the species apart can be tricky, but there are a few telltale signs that should allow you to distinguish between the two.
Show more authors Abstract There is increasing evidence that temperature effects on sex ratio in fish species are ubiquitous. Oryzias curvinotus has DMY, a gene that is required for male development in the medaka, O. In Nile tilapia Oreochromis niloticus L. Most freshwater fish familiar to sport fishermen reproduce by building nests and laying eggs in the spring. Marine Biotechnology 6, — Molecular marker-assisted sex control in half-smooth tongue sole Cynoglossus semilaevis. Temperature effects on sex ratio could be influenced by parent, strain, and population, whether in fish species with temperature-dependent sex determination or genetic sex determination plus temperature effects. Reviews in Fisheries Science 16, 16— If the abdomen is swollen in any way, then you are probably dealing with a female. A consolidated linkage map for rainbow trout, Oncorhynchus mykiss. There are two types of non-bourgeois males, which scientists call sneakers and satellites. The Progressive Fish-Culturist 30, Molecular Ecology 8, — A publication-quality photograph is available at the News Service Web site and at the ftp site. Males also tend to have a definitive spot at the posterior base of the dorsal fin and square, and heavily pigmented opercula lobes the area covering the gills ; in the female, the opercula lobe tends to be rounded and less pigmented. Temperature effects on sex ratio could be influenced by parent, strain, and population, whether in fish species with temperature-dependent sex determination or genetic sex determination plus temperature effects. Journal of Genet- ics 12, — They look almost exactly like a female sunfish. No significant effects of temperature on sex ratio were detected in the other two strains. Telling the male and the female of the species apart can be tricky, but there are a few telltale signs that should allow you to distinguish between the two. Abstract There is increasing evidence that temperature effects on sex ratio in fish species are ubiquitous. These results were published in the scientific journal Molecular Ecology. Hebron, Jones, Hocking, and Missouri. Genome Research 13, — An interesting characteristic of male bluegill is its ability to mimic the coloration of the female. Our results from sex ratio variance in different treatment times suggest that the thermosensitive period of sex differentiation occurs prior to 40 dph. Sex ratio and unisexual sterility in hybrid animals.
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